See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9701. Start at 042:15:02 GMT PLAN ---- Start in radiation zone Then: 2026:042:15:35:04 Grating: NONE 2026:042:15:45:07 RADMON Enable 2026:042:16:09:25 Obsid: 30295 SI: ACIS-I (55 ksec) Target: Perseus cluster 2026:043:07:59:26 Obsid: 32152 SI: ACIS-S (10 ksec) Target: Mrk704 2026:043:11:19:27 Obsid: 30298 SI: ACIS-I (36 ksec) Target: Perseus cluster NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 2 Supports Completed in the last 24 hours (Total time: 4.7 hours) 2 SSR dumps Loads good through: 2026:045:19:20:16.000 Radiation (Solar Activity): Solar activity is likely to be moderate with a chance for X-class flares on day one (11 Feb) and likely to be moderate with a slight chance for an X-class flare on days two and three (12 Feb, 13 Feb). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet levels on days one, two, and three (11 Feb, 12 Feb, 13 Feb). Protons have a chance of crossing threshold on day one (11 Feb), have a slight chance of crossing threshold on day two (12 Feb) and have a slight chance of crossing threshold on day three (13 Feb). MP: No issues. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30850 G292.0+1.8 ACIS-I NONE 31163 GRB 221009A ACIS-S NONE 32153 Cir X-1 ACIS-S HETG 31430 PGC031877 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 043/0245-0445 0330 0430 DSS-65 MADRID 2230-2330 EST, Wed 11 Feb 043/1005-1205 1050 1150 DSS-26 GOLDSTONE 0550-0650 EST, Thu 12 Feb SNAPSHOT summary: ----------------- UTC 2026:042:11:43:01 (Feb11) f_ACE 0.00e+00 F_CRM 0.00e+00 Kp 2.7 R km 23245A OBT 2026:042:11:40:30 CTUVCDU 15312383 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 887197230.77 ONLVCDU 15312376 OBC Errs 0 OBSID 41733 EPState ECLP SIM TTpos -99616 HETG Angle 5.59 PCADMODE NPNT RA 101.175 Bus V 29.61 SIM FApos -535 LETG Angle 76.09 PCONTROL NPNT Dec -23.163 Bus I 19.80 AOFSTAR GUID Roll 306.826 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 6.68 Yaw Rate -0.59 HRC-S HV OFF ACA CCD Temp -7.3 Dith Zang 1.31 Pitch Rate 0.18 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.21 EVT RT 4844 AOACSTAT OK FSS SunBeta NSUN SHLD RT 0 FSS Alfa -49.57 Batt 1 SOC 95.90% Avg HRMA Temp 73.14 FSS Beta -49.72 Batt 2 SOC 96.24% A -15 V -0.62 Avg OBA Temp 80.97 SA Resolv 123.28 Batt 3 SOC 96.31% A +15 V 2.81 OBA Tavg Fault NFLT SA Sun Pres DARK A +5 V 4.84 OBA Trng Fault NFLT +Y SA Amps 0.14 A +24 V 0.00 HRMA power 0.00 SCS 128 ACT -Y SA Amps 0.06 OBA power 35.10 SCS 129 ACT +Y SA Temp 88.93 SCS 130 ACT -Y SA Temp 88.93 ACIS Stat7-0 6 Roll Mom. 8.698 SCS 131 ACT Cold Rad -115. Pitch Mom. 3.492 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 5.106 SCS 133 ACT EIO Temp 0.0000 RadMon DISA PMTANKP 148.534 SCS 107 INAC EPH temp 178.27 UpLCmdAcc 37350 IRU2G2 curr 124.80 M Unload MON Cmd Rej A 208 IRU2G1 curr 96.00 Roll Bias 2.0000 TSC Move STOP Prop. line 03 158.73 Pitch Bias -4.1651 FA Move STOP CTX B PWR 36.92 Prop. line 04 125.35 Yaw Bias -1.8496 OTG Move DISA CTX B Volts 3.54 UTC 2026:042:15:02:01 (Feb11) f_ACE 1.36e+01 F_CRM 0.00e+00 Kp 2.3 R km 55953A Currently scheduled FPSI, OTG : HRC-S HETG Estimated Kp : 2.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.36e+01 GOES-R P4 flux, in RADMON P4GM units : 2.05e-02 GOES-R P7 flux, in RADMON P41GM units : 0.00e+00 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 4.01e+02 Orbit Start Time : 2026:042:11:14:27 Geocentric Distance (km), Orbit Leg : 55815 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 6.5865e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.0000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 5.8420e+07 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 0.0000e+00